John McCalpin

APRIL 2, 2020

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

Benchmarking 59

Benchmarking Performance Latency Architecture 59

All Things Distributed

OCTOBER 2, 2017

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 128

Internet Internet AWS Performance 128

The Agile Manager

MARCH 31, 2021

The disruption is not simply the result of a ship running aground and blocking traffic in a busy, narrow passageway. First, the Ever Given was involved in an incident in 2019 in which it was caught in high winds while operating at slow speed and collided with a pleasure ferry in the Elbe River in Hamburg, Germany.

Transportation 52

Transportation Retail Traffic Efficiency 52